<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" href="jquery-ui-1.12.1.custom/jquery-ui.css" />
<script src="jquery-ui-1.12.1.custom/external/jquery/jquery.js"></script>
<script src="jquery-ui-1.12.1.custom/jquery-ui.js"></script>
<title>按钮（Button）的使用</title>
 <script>
  $(function() {
    $( "input[type=submit], a, button" )
      .button()
      .click(function( event ) {
        event.preventDefault();
      });
  });
  </script>
</head>
<body>
<button>一个 button 元素</button>
<input type="submit" value="一个提交按钮">
</body>
</html>